How not to enable Hystrix
Because our entry annotation class is replaced by SpringBootApplication from @ SpringCloudApplication, spring cloud circuit breaker will not be enabled. The introduced Hystrix dependency has no effect. Please refer to Section 2 of this series: The way to upgrade Spring Cloud ...

Although there are many types of "windows" in Android system, only two types are often used: one is managed by system process, which is called "system window"; the other is generated by application program, which is used to display UI interface. If you are familiar with window manager service (WMS), everything is very simple ...

Is the code inside an AppDelegate messy?
Are there thousands of lines of code in an AppDelegate?
image.png
AppDelegate serves as the entry to the program.You should have simple code and a clear style so you can read it yourself and with the developers.
So adding a new category to AppDelegate is the easiest and clearest way to do it
i ...

In the process of warehousing and logistics, it is often necessary to use thermal printer or carbon tape printer to print some barcode and information and paste them on the physical object or package
The best way is not to directly use thermal code to form text and output it to printer for printing
But thermal code is also a special language to ...

Recently, I encountered an item without mouse on the device. The interface is a DataGrid with full screen. It needs to scroll up and down the currently selected row of DataGrid by pressing 0 and 1 of the keypad
For important reference, https://blog.csdn.net/sinat_/article/details/105428496 implements background scrolling to the currently selec ...

Core concepts
Image: a read-only template, similar to the image of a virtual machine.
Container: it can be understood as a running instance of the image. The runtime is similar to a sandbox, with multiple containers independent of each other.
Warehouse: the place where image files are stored.
image
Command table
command
explai ...

Introduction
Station B is very simple for downloading a single video. You can install plug-ins in the browser, which will not be covered here. This paper mainly introduces the batch download and resource integration of multi-P video.
There are two ways:
Execute py script
Run exe tool
preparation
1. Download B station client in windows store
...

1. Conceptual Name
Windows services (formerly NT services) allow you to create executable applications that run for a long time in their own Windows sessions.These services can be automatically started at computer startup, paused and restarted, and do not display any user interface.This service is ideal for use on servers or at any time when lo ...

leetcode-3. The longest substring without repeating characters.
Given a string, please find out the length of the longest substring that does not contain duplicate characters.
Example 1:
Type: "abcabcbb"
Output: 3
Explanation: because the longest substring without repeating characters is "abc", its length is 3.
Example 2:
...